O3 Cyber

O3 Cyber

O3 Cyber AS

Oslo, Norway

Cloud SecurityApplication SecurityPenetration TestingDetection & Response
Founded 2022
Profile last updated: October 23, 2026

About

Founded in 2022, O3 Cyber is a cybersecurity company based in Oslo, Norway working in cloud security, application security, penetration testing +4 more.

O3 Cyber is an independent boutique consultancy specialising in cloud and platform security. It offers cloud security assessments, managed cloud security and threat detection and response, cloud penetration testing, Kubernetes and container security assessments, threat modeling, cloud security strategy and advisory, and training courses. Its clients include organisations in the financial, maritime and retail sectors. The company was founded in late 2022 and is structured with key employees as shareholders.

Location

Oslo, Norway

Founded

2022

Company type

Limited company

Legal name

O3 Cyber AS

Focus areas

Cloud SecurityKubernetes SecurityContainer SecurityThreat ModelingCloud Penetration TestingManaged Cloud SecurityCloud Security ConsultingCloud Security Training

Languages

EN

Services & products

Security domains

Cloud SecurityApplication SecurityPenetration TestingDetection & ResponseGRC & ComplianceManaged SecurityThreat Intelligence

How they deliver

Managed ServicesProfessional ServicesConsultingTraining

Industries served

Financial ServicesMaritimeRetailManufacturing

Compliance & partners

Technology partners

GoogleMicrosoft

Other cybersecurity companies in Norway

View all